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Android - Memory Error. When it works on a real device

I have an image gallery application and am trying to get an image from external storage. My application can run on an Android emulator, but on a real device (HTC OneX) I have some kind of exception.

My magazine is here.

07-25 17:17:49.027: E/dalvikvm-heap(3008): Out of memory on a 480016-byte allocation. 07-25 17:17:49.052: E/dalvikvm(3008): Out of memory: Heap Size=65571KB, Allocated=63717KB, Limit=65536KB 07-25 17:17:49.052: E/dalvikvm(3008): Extra info: Footprint=65315KB, Allowed Footprint=65571KB, Trimmed=0KB 07-25 17:17:49.052: E/MediaStore(3008): failed to allocate memory for thumbnail content://media/external/images/thumbnails/300; java.lang.OutOfMemoryError: (Heap Size=65571KB, Allocated=63717KB) 07-25 17:17:49.142: E/dalvikvm-heap(3008): Out of memory on a 480016-byte allocation. 07-25 17:17:49.152: E/dalvikvm(3008): Out of memory: Heap Size=65571KB, Allocated=63718KB, Limit=65536KB 07-25 17:17:49.152: E/dalvikvm(3008): Extra info: Footprint=65315KB, Allowed Footprint=65571KB, Trimmed=0KB 07-25 17:17:49.152: E/MediaStore(3008): failed to allocate memory for thumbnail content://media/external/images/thumbnails/300; java.lang.OutOfMemoryError: (Heap Size=65571KB, Allocated=63718KB) 07-25 17:17:49.302: E/dalvikvm-heap(3008): Out of memory on a 480016-byte allocation. 07-25 17:17:49.317: E/dalvikvm(3008): Out of memory: Heap Size=65571KB, Allocated=63749KB, Limit=65536KB 07-25 17:17:49.317: E/dalvikvm(3008): Extra info: Footprint=65315KB, Allowed Footprint=65571KB, Trimmed=0KB 07-25 17:17:49.327: E/AndroidRuntime(3008): FATAL EXCEPTION: AsyncTask #1 07-25 17:17:49.327: E/AndroidRuntime(3008): java.lang.RuntimeException: An error occured while executing doInBackground() 07-25 17:17:49.327: E/AndroidRuntime(3008): at android.os.AsyncTask$3.done(AsyncTask.java:299) 07-25 17:17:49.327: E/AndroidRuntime(3008): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273) 07-25 17:17:49.327: E/AndroidRuntime(3008): at java.util.concurrent.FutureTask.setException(FutureTask.java:124) 07-25 17:17:49.327: E/AndroidRuntime(3008): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307) 07-25 17:17:49.327: E/AndroidRuntime(3008): at java.util.concurrent.FutureTask.run(FutureTask.java:137) 07-25 17:17:49.327: E/AndroidRuntime(3008): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230) 07-25 17:17:49.327: E/AndroidRuntime(3008): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076) 07-25 17:17:49.327: E/AndroidRuntime(3008): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569) 07-25 17:17:49.327: E/AndroidRuntime(3008): at java.lang.Thread.run(Thread.java:864) 07-25 17:17:49.327: E/AndroidRuntime(3008): Caused by: java.lang.OutOfMemoryError: (Heap Size=65571KB, Allocated=63749KB) 07-25 17:17:49.327: E/AndroidRuntime(3008): at android.graphics.BitmapFactory.nativeDecodeByteArray(Native Method) 07-25 17:17:49.327: E/AndroidRuntime(3008): at android.graphics.BitmapFactory.decodeByteArray(BitmapFactory.java:552) 07-25 17:17:49.327: E/AndroidRuntime(3008): at android.media.ThumbnailUtils.createThumbnailFromEXIF(ThumbnailUtils.java:515) 07-25 17:17:49.327: E/AndroidRuntime(3008): at android.media.ThumbnailUtils.createImageThumbnail(ThumbnailUtils.java:102) 07-25 17:17:49.327: E/AndroidRuntime(3008): at android.provider.MediaStore$InternalThumbnails.getThumbnail(MediaStore.java:626) 07-25 17:17:49.327: E/AndroidRuntime(3008): at android.provider.MediaStore$Images$Thumbnails.getThumbnail(MediaStore.java:987) 07-25 17:17:49.327: E/AndroidRuntime(3008): at com.mimi.ngsbusproject.GalleryActivity.Gallery(GalleryActivity.java:92) 07-25 17:17:49.327: E/AndroidRuntime(3008): at com.mimi.ngsbusproject.GalleryActivity.access$1(GalleryActivity.java:74) 07-25 17:17:49.327: E/AndroidRuntime(3008): at com.mimi.ngsbusproject.GalleryActivity$LoadGallery.doInBackground(GalleryActivity.java:58) 07-25 17:17:49.327: E/AndroidRuntime(3008): at com.mimi.ngsbusproject.GalleryActivity$LoadGallery.doInBackground(GalleryActivity.java:1) 07-25 17:17:49.327: E/AndroidRuntime(3008): at android.os.AsyncTask$2.call(AsyncTask.java:287) 07-25 17:17:49.327: E/AndroidRuntime(3008): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305) 07-25 17:17:49.327: E/AndroidRuntime(3008): ... 5 more 07-25 17:17:50.062: E/WindowManager(3008): Activity com.mimi.ngsbusproject.GalleryActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41ac90a8 that was originally added here 07-25 17:17:50.062: E/WindowManager(3008): android.view.WindowLeaked: Activity com.mimi.ngsbusproject.GalleryActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41ac90a8 that was originally added here 07-25 17:17:50.062: E/WindowManager(3008): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:465) 07-25 17:17:50.062: E/WindowManager(3008): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:419) 07-25 17:17:50.062: E/WindowManager(3008): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:351) 07-25 17:17:50.062: E/WindowManager(3008): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:171) 07-25 17:17:50.062: E/WindowManager(3008): at android.view.Window$LocalWindowManager.addView(Window.java:558) 07-25 17:17:50.062: E/WindowManager(3008): at android.app.Dialog.show(Dialog.java:282) 07-25 17:17:50.062: E/WindowManager(3008): at android.app.ProgressDialog.show(ProgressDialog.java:116) 07-25 17:17:50.062: E/WindowManager(3008): at android.app.ProgressDialog.show(ProgressDialog.java:99) 07-25 17:17:50.062: E/WindowManager(3008): at com.mimi.ngsbusproject.GalleryActivity$LoadGallery.onPreExecute(GalleryActivity.java:51) 07-25 17:17:50.062: E/WindowManager(3008): at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586) 07-25 17:17:50.062: E/WindowManager(3008): at android.os.AsyncTask.execute(AsyncTask.java:534) 07-25 17:17:50.062: E/WindowManager(3008): at com.mimi.ngsbusproject.GalleryActivity.onCreate(GalleryActivity.java:43) 07-25 17:17:50.062: E/WindowManager(3008): at android.app.Activity.performCreate(Activity.java:5066) 07-25 17:17:50.062: E/WindowManager(3008): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1101) 07-25 17:17:50.062: E/WindowManager(3008): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2307) 07-25 17:17:50.062: E/WindowManager(3008): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 07-25 17:17:50.062: E/WindowManager(3008): at android.app.ActivityThread.access$600(ActivityThread.java:151) 07-25 17:17:50.062: E/WindowManager(3008): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1331) 07-25 17:17:50.062: E/WindowManager(3008): at android.os.Handler.dispatchMessage(Handler.java:99) 07-25 17:17:50.062: E/WindowManager(3008): at android.os.Looper.loop(Looper.java:155) 07-25 17:17:50.062: E/WindowManager(3008): at android.app.ActivityThread.main(ActivityThread.java:5485) 07-25 17:17:50.062: E/WindowManager(3008): at java.lang.reflect.Method.invokeNative(Native Method) 07-25 17:17:50.062: E/WindowManager(3008): at java.lang.reflect.Method.invoke(Method.java:511) 07-25 17:17:50.062: E/WindowManager(3008): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1028) 07-25 17:17:50.062: E/WindowManager(3008): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:795) 07-25 17:17:50.062: E/WindowManager(3008): at dalvik.system.NativeStart.main(Native Method) 07-25 17:17:50.962: E/dalvikvm-heap(3008): Out of memory on a 2264368-byte allocation. 07-25 17:17:50.967: E/dalvikvm(3008): Out of memory: Heap Size=65571KB, Allocated=63787KB, Limit=65536KB 07-25 17:17:50.967: E/dalvikvm(3008): Extra info: Footprint=65315KB, Allowed Footprint=65571KB, Trimmed=0KB 07-25 17:17:50.967: E/AndroidRuntime_2_crash(3008): crash in the same process: main 07-25 17:17:50.967: E/AndroidRuntime_2_crash(3008): java.lang.OutOfMemoryError: (Heap Size=65571KB, Allocated=63787KB) 07-25 17:17:50.967: E/AndroidRuntime_2_crash(3008): at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method) 07-25 17:17:50.967: E/AndroidRuntime_2_crash(3008): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:626) 07-25 17:17:50.967: E/AndroidRuntime_2_crash(3008): at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:473) 07-25 17:17:50.967: E/AndroidRuntime_2_crash(3008): at android.graphics.BitmapFactory.decodeResource(BitmapFactory.java:502) 07-25 17:17:50.967: E/AndroidRuntime_2_crash(3008): at com.mimi.ngsbusproject.LuancherActivity.decodeSampledBitmapFromResource(LuancherActivity.java:147) 07-25 17:17:50.967: E/AndroidRuntime_2_crash(3008): at com.mimi.ngsbusproject.LuancherActivity.AnimateandSlideShow(LuancherActivity.java:113) 07-25 17:17:50.967: E/AndroidRuntime_2_crash(3008): at com.mimi.ngsbusproject.LuancherActivity.access$0(LuancherActivity.java:106) 07-25 17:17:50.967: E/AndroidRuntime_2_crash(3008): at com.mimi.ngsbusproject.LuancherActivity$2.run(LuancherActivity.java:84)

And my code is here.

 final String[] columns = { MediaStore.Images.Media.DATA, MediaStore.Images.Media._ID }; Cursor image_cursor; image_cursor = managedQuery( MediaStore.Images.Media.EXTERNAL_CONTENT_URI, columns, null, null, null); int image_column_index = image_cursor .getColumnIndex(MediaStore.Images.Media._ID); count = image_cursor.getCount(); thumbnails = new Bitmap[count]; arrPath = new String[count]; try { for (int i = 0; i < count; i++) { image_cursor.moveToPosition(i); int id = image_cursor.getInt(image_column_index); int dataColumnIndex = image_cursor .getColumnIndex(MediaStore.Images.Media.DATA); thumbnails[i] = MediaStore.Images.Thumbnails.getThumbnail( getApplicationContext().getContentResolver(), id, MediaStore.Images.Thumbnails.MINI_KIND, null); arrPath[i] = image_cursor.getString(dataColumnIndex); } } catch (Exception e) { e.printStackTrace(); }

Sorry for my language. Thanks.

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4 answers

Your role:

 count = image_cursor.getCount(); thumbnails = new Bitmap[count];

May cause this. To create effective Bitmaps memory you must use BitmapOptions

Try THIS :

 Bitmap bm; bm = Bitmap.createScaledBitmap(BitmapFactory.decodeFile(filepath),100, 100, true); mPicture = new ImageView(context); mPicture.setImageBitmap(bm);

See Strange memory issue when loading image into Bitmap object.

It seems that both logs might give you a hint:

failed to allocate memory for thumbnail content: // media / external / image / thumbnail / 300;

.

android.graphics.BitmapFactory.nativeDecodeByteArray (native method) 07-25 17: 17: 49.327: E / AndroidRuntime (3008): at android.graphics.BitmapFactory.decodeByteArray (BitmapFactory.javahaps52) 07-25 17: 17: 49.327 : E / AndroidRuntime (3008): at android.media.ThumbnailUtils.createThumbnailFromEXIF

Does your gallery have many great photos? In this case, you have no problem with your Cursor , but with memory management when it comes to bitmaps!

In addition, you must have this permission in your manifest:

 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

see also

http://developer.android.com/training/displaying-bitmaps/load-bitmap.html

+8
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Add this to your manifest

  <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

Regarding the lack of memory I used to get this when I have very large images in size, try checking it out on small images.

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My advice to everyone, try using the large image size https://tinypng.com/ to reduce the image size

The second increase heap size from mainfest android:largeHeap="true" in the application tag will be like this

 <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:supportsRtl="true" android:theme="@style/AppTheme" android:largeHeap="true">

and maximum packet heap size

 android { compileSdkVersion 23 buildToolsVersion '23.0.0' ....... .... dexOptions { javaMaxHeapSize "4g" } }

I hope this help

+1
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Add

  android:largeHeap="true"

in the manifest application tag.

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Source: https://habr.com/ru/post/950250/

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